import router, { asyncRoutes, constantRoutes } from '@/router'
import {getAuthMenu} from '@/views/wish/systemManagement/role/getUserRoleMenu'
import Layout from '@/layout'
import role from "@/views/permission/role";
import {Message} from "element-ui";
/**
 * Use meta.role to determine if the current user has permission
 * @param roles
 * @param route
 */

function hasPermission(roles, route) {
  if (route.meta && route.meta.roles) {
    return roles.some(role => route.meta.roles.includes(role))
  } else {
    return true
  }
}

/**
 * 后台查询的菜单数据拼装成路由格式的数据
 * @param routes
 */
export function generaMenu(routes, data) {
  data.forEach(item => {
    // alert(JSON.stringify(item))
    const menu = {
      path: item.url?item.url:item.menuId+'_key',
      component: item.type == 0 ? Layout : (resolve) => require([`@/views${item.url}`],(resolve)),
      hidden: item.type == 2 ? true : false,
      name: 'menu_' + item.name,
      meta: {
        title: item.name,
        id: item.menuId,
        roles:
          [
            'admin',
            'editor'
          ],
        icon:item.icon,
      },
      children: [],
    }
    if (item.menuList) {
      generaMenu(menu.children, item.menuList)
    }
    routes.push(menu)
  })
}
let $this=this;
const actions= {
  generateRoutes({ commit }, roles) {
    return new Promise(resolve => {
      const loadMenuData = []
      state.token=localStorage.getItem("username")
      // 先查询后台并返回左侧菜单数据并把数据添加到路由
      getAuthMenu(state.token).then(response => {
        let data = response
        let code= data.code
        console.log("response:"+code)
        // console.log("数据："+JSON.stringify(response))
        if (code != "200") {
          alert("别问，问就错误")
        } else {
          data = data.obj
          Object.assign(loadMenuData, data)
          generaMenu(asyncRoutes, loadMenuData)
          let accessedRoutes
          if (roles.includes('admin')) {
            // alert(JSON.stringify(asyncRoutes))
            accessedRoutes = asyncRoutes || []
          } else {
            accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
          }
          commit('SET_ROUTES', accessedRoutes)
          resolve(accessedRoutes)
          // console.log("asyncRoutes:{}"+JSON.stringify(asyncRoutes));
          //router.addRoutes(accessedRoutes);
        }
        // generaMenu(asyncRoutes, data)
      }).catch(error => {
        console.log(error)
      })
    })
  }
}



/**
 * Filter asynchronous routing tables by recursion
 * @param routes asyncRoutes
 * @param roles
 */
export function filterAsyncRoutes(routes, roles) {
  const res = []
  routes.forEach(route => {
    const tmp = { ...route }
    if (hasPermission(roles, tmp)) {
      if (tmp.children) {
        tmp.children = filterAsyncRoutes(tmp.children, roles)
      }
      res.push(tmp)
    }
  })
  return res
}


const state = {
  routes: [],
  addRoutes: []
}



const mutations = {
  SET_ROUTES: (state, routes) => {
    state.addRoutes = routes
    state.routes = constantRoutes.concat(routes)
  }
}


/*const actions = {
  generateRoutes({ commit }, roles) {
    return new Promise(resolve => {
      let accessedRoutes
      if (roles.includes('admin')) {
        accessedRoutes = asyncRoutes || []
      } else {
        accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
      }
      commit('SET_ROUTES', accessedRoutes)
      resolve(accessedRoutes)
    })
  }
}*/

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
